Castor



FIG. 1 is a perspective view of a castor embodying our design;

FIG. 2 is a right side view of FIG. 1, the left side view being a mirror image of the right side;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a is a rear view of FIG. 1;

FIG. 5 is a top view of FIG. 1; and

FIG. 6 is a bottom view of FIG. 1.

FIG. 7 is a perspective view of another castor embodying our design;

FIG. 8 is a right side view of FIG. 7, the left side view being a mirror image of the right side;

FIG. 9 is a front view of FIG. 7,

FIG. 10 is a is a rear view of FIG. 7;

FIG. 11 is a top view of FIG. 7; and

FIG. 12 is a bottom view of FIG. 7.

FIG. 13 is a perspective view of yet another castor embodying our design;

FIG. 14 is a right side view of FIG. 13, the left side view being a mirror image of the right side;

FIG. 15 is a front view of FIG. 13;

FIG. 16 is a is a rear view of FIG. 13;

FIG. 17 is a top view of FIG. 13; and,

FIG. 18 is a bottom view of FIG. 13.

The dashed and phantom lines in the FIGS. 1-18 are to show the environment and do not form a part of the present invention. 

We claim the ornamental design for a castor, as shown and described. 